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authorCoprDistGit <infra@openeuler.org>2023-10-02 04:02:17 +0000
committerCoprDistGit <infra@openeuler.org>2023-10-02 04:02:17 +0000
commit24b6ed9bc1ef1538b8f3e254b30b1006f5e4d78f (patch)
treee2725d205951345a1c853965086be06d6a6cbf59 /openssh-8.7p1-scp-kill-switch.patch
parentc7ba49a1e66ed27d507eafa4da2b81838a2afa64 (diff)
automatic import of openssh
Diffstat (limited to 'openssh-8.7p1-scp-kill-switch.patch')
-rw-r--r--openssh-8.7p1-scp-kill-switch.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/openssh-8.7p1-scp-kill-switch.patch b/openssh-8.7p1-scp-kill-switch.patch
new file mode 100644
index 0000000..161ab2d
--- /dev/null
+++ b/openssh-8.7p1-scp-kill-switch.patch
@@ -0,0 +1,46 @@
+diff -up openssh-8.7p1/pathnames.h.kill-scp openssh-8.7p1/pathnames.h
+--- openssh-8.7p1/pathnames.h.kill-scp 2021-09-16 11:37:57.240171687 +0200
++++ openssh-8.7p1/pathnames.h 2021-09-16 11:42:29.183427917 +0200
+@@ -42,6 +42,7 @@
+ #define _PATH_HOST_XMSS_KEY_FILE SSHDIR "/ssh_host_xmss_key"
+ #define _PATH_HOST_RSA_KEY_FILE SSHDIR "/ssh_host_rsa_key"
+ #define _PATH_DH_MODULI SSHDIR "/moduli"
++#define _PATH_SCP_KILL_SWITCH SSHDIR "/disable_scp"
+
+ #ifndef _PATH_SSH_PROGRAM
+ #define _PATH_SSH_PROGRAM "/usr/bin/ssh"
+diff -up openssh-8.7p1/scp.1.kill-scp openssh-8.7p1/scp.1
+--- openssh-8.7p1/scp.1.kill-scp 2021-09-16 12:09:02.646714578 +0200
++++ openssh-8.7p1/scp.1 2021-09-16 12:26:49.978628226 +0200
+@@ -278,6 +278,13 @@ to print debugging messages about their
+ By default a 32KB buffer is used.
+ .El
+ .El
++.Pp
++Usage of SCP protocol can be blocked by creating a world-readable
++.Ar /etc/ssh/disable_scp
++file. If this file exists, when SCP protocol is in use (either remotely or
++via the
++.Fl O
++option), the program will exit.
+ .Sh EXIT STATUS
+ .Ex -std scp
+ .Sh SEE ALSO
+diff -up openssh-8.7p1/scp.c.kill-scp openssh-8.7p1/scp.c
+--- openssh-8.7p1/scp.c.kill-scp 2021-09-16 11:42:56.013650519 +0200
++++ openssh-8.7p1/scp.c 2021-09-16 11:53:03.249713836 +0200
+@@ -596,6 +596,14 @@ main(int argc, char **argv)
+ if (iamremote)
+ mode = MODE_SCP;
+
++ if (mode == MODE_SCP) {
++ FILE *f = fopen(_PATH_SCP_KILL_SWITCH, "r");
++ if (f != NULL) {
++ fclose(f);
++ fatal("SCP protocol is forbidden via %s", _PATH_SCP_KILL_SWITCH);
++ }
++ }
++
+ if ((pwd = getpwuid(userid = getuid())) == NULL)
+ fatal("unknown user %u", (u_int) userid);
+